LED New York City Code Exit/Emergency Sign - Meets NYC Code Requirements.LED New York City Code Exit/Emergency Sign features include: Designed for New York applications where a steel housing is required20-Gauge Steel Housing White Powder Coat Finish Single Face UnitOperation Temperature: 50°F - 104°FDual-Voltage input 120/277V Maintenance-Free Nickel-Cadmium BatteryOptional 3rd Lamp Head Included2 - 9V, 0.63W Battery Backup OperationUL Listed 5 Year Warranty Order Qty of 1 = 1 Piece Below is more info on our LED New York City Code Exit/Emergency Sign